Github user rajeshbalamohan commented on a diff in the pull request:
https://github.com/apache/spark/pull/12105#discussion_r65885590
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
---
@@ -391,21 +393,24 @@ abstract class UnixTime extends BinaryExpression with
ExpectsInputTypes {
case StringType if right.foldable =>
val sdf = classOf[SimpleDateFormat].getName
val fString = if (constFormat == null) null else
constFormat.toString
- val formatter = ctx.freshName("formatter")
if (fString == null) {
s"""
boolean ${ev.isNull} = true;
${ctx.javaType(dataType)} ${ev.value} =
${ctx.defaultValue(dataType)};
"""
} else {
+ val formatter = ctx.freshName("formatter")
+ ctx.addMutableState(sdf, formatter, s"""$formatter = null;""")
--- End diff --
yes. Creating the formatter here did not create any issues.
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